cd to correct dir before building LAPACK

Author: nilsfriess

.github/workflows/linux.yml

@@ -87,6 +87,7 @@ jobs:
       run: |
         cd
         git clone https://github.com/Reference-LAPACK/lapack.git
+        cd lapack
         cmake -S . -B build -DCMAKE_INSTALL_LIBDIR=$(pwd)/install -DBUILD_SHARED_LIBS=ON -DCBLAS=ON
         cmake --build build -j2 --target install